VOLUME I Multinational Maritime Tactical Instructions and Procedures

MTP 1(D), Vol. I
a
P
O
30°
30°
N
AN
M
A
B
C CD
D
15° 15° DE
15°
15°
E
b
Q
A
F
Q
30°
1/3 WIDTH
QQ
1/3 WIDTH
30°
F
R
1/2 WIDTH
G
R
G
T
H
30°
30°
U
30°
V
30°
W
X
S
L
K
30°
30°
J
I
T
S
H
Note: All distances are to be given in thousands of yards
Figure 3-23. Skeleton Screen Diagram
c. Sector Departure/Entry Screens.
(1) Description. Units are allocated patrol sectors for which they are responsible, using the sector
method of ordering with the screen center given as a geographic position.
NOT RELEASABLE
(2) Method of Ordering.
(a) Form departure/entry screen sector.
(b) Screen center.
(c) Sector allocations.
(3) Example. An example is given in Figure 3-24.
d. Grid Departure/Entry Screens.
(1) Description. Ships are allocated patrol areas for which they are responsible, the boundaries of
these areas being specified by the use of CCG preferably locked to a prominent geographic feature.
(2) Method of Ordering.
(a) Form departure/entry screen.
(b) Grid reference position
NOT RELEASABLE
(c) Area allocations. Areas are designated by the grid reference indicating the southwest
corner of each patrol area. Patrol areas are to be 3 miles square unless otherwise ordered. If a larger
area is ordered, the grid reference is to be followed by a two-figure group, the first figure indicating
3-43 CHANGE 2